CN213141858U

CN213141858U - Lime stone calcination preheating equipment

Info

Publication number: CN213141858U
Application number: CN202022048707.3U
Authority: CN
Inventors: 赵志建
Original assignee: BOLE YINGXUE CALCIUM CARBONATE MANFUACTURING CO LTD
Current assignee: BOLE YINGXUE CALCIUM CARBONATE MANFUACTURING CO LTD
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-05-07
Anticipated expiration: 2030-09-17

Abstract

The utility model discloses a limestone calcining and preheating device, the top end of a base is fixedly connected with a preheating box, the top of one side of the preheating box is movably connected with a first crushing roller, the top of the other side of the preheating box is movably connected with a second crushing roller, one end of the first crushing roller and one end of the second crushing roller penetrate through the box body and are fixedly connected with a driving motor, and the top end of the preheating box is fixedly connected with a sealing cover, so the utility model has scientific and reasonable structure and safe and convenient use, under the action of the driving motor, the first crushing roller rotates clockwise, the second crushing roller rotates anticlockwise, so that the mutually meshed crushing teeth rotate oppositely, thereby crushing the limestone, changing the limestone blocks into particles with smaller volume, leading the limestone to be more fully calcined, further improving the calcining speed of the limestone, the top of the preheating box is fixedly connected with a sealing cover which can isolate smoke dust generated in the crushing process.

Description

Lime stone calcination preheating equipment

Technical Field

The utility model relates to a lime stone calcining equipment technical field specifically is lime stone calcining preheating equipment.

Background

The main component of the limestone is calcium carbonate, the limestone is the main raw material for producing glass, lime and limestone are used as building materials in large quantity, and are also important raw materials of many industries, the calcium carbonate can be directly processed into stone and burnt into quicklime, the main component of the quicklime is calcium oxide, generally is in a block shape, is pure white, and is light gray or light yellow when containing impurities, the quicklime becomes slaked lime after absorbing moisture or adding water, the slaked lime is also called hydrated lime, the main component of the hydrated lime is calcium hydroxide, and the hydrated lime is blended into lime slurry, lime paste, lime mortar and the like to be used as coating materials and tile adhesives;

in the process of calcining limestone, because the volume of the crushed limestone blocks is still large and the volume of each limestone block is uneven, the limestone is not sufficiently calcined in the calcining process, so that the calcining speed is slow, and the quality of the product is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lime stone calcines preheating equipment can effectively solve and propose among the above-mentioned background art calcining the in-process to the lime stone, because the lime stone volume after the breakage is still great and each lime stone volume size is inhomogeneous, makes the lime stone calcine insufficiently in calcining the in-process to lead to calcining speed slow, also reduced the problem of the quality of product simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: the limestone calcining preheating equipment comprises a base, wherein a preheating box is fixedly connected to the top end of the base, a first crushing roller is movably connected to the top of one side of the preheating box, a second crushing roller is movably connected to the top of the other side of the preheating box, one ends of the first crushing roller and the second crushing roller penetrate through a box body and are fixedly connected with a driving motor, bearings are fixedly connected to the joints of the other ends of the first crushing roller and the second crushing roller and the preheating box, a sealing cover is fixedly connected to the top end of the preheating box, and a blanking hopper is fixedly connected to the top end of the sealing cover;

the automatic feeding device is characterized in that a hydraulic cylinder is fixedly connected to the top end of one side of the base, one end of the hydraulic cylinder penetrates through a pushing block fixedly connected to the preheating box, a discharging port is formed in the bottom of one side of the preheating box and corresponds to the pushing block, a fixing support is fixedly connected to the edge of the discharging port, a movable plate is slidably connected to the inner side of the fixing support, a plurality of limiting grooves are formed in the side end of the fixing support in an equidistant mode, and limiting pins are movably.

Preferably, two driving motors are installed, the driving motor connected with the first crushing roller in a transmission mode rotates clockwise, and the driving motor connected with the second crushing roller in a transmission mode rotates anticlockwise.

Preferably, the outer sides of the first crushing roller and the second crushing roller are fixedly connected with a plurality of crushing teeth, the crushing teeth positioned on the edges of the first crushing roller and the second crushing roller are meshed with each other, and the input end of the driving motor is electrically connected with the output end of an external power supply.

Preferably, the middle part of the inner side of the preheating box is fixedly connected with a baffle, and the extension length of the hydraulic cylinder is equal to the length of the preheating box.

Preferably, the bottom parts of the two ends of the inner side of the preheating box are symmetrically and fixedly provided with heating resistors, the edge parts of the heating resistors are fixedly connected with protective covers, and the inner wall of the preheating box is fixedly connected with heat insulation cotton.

Preferably, the input end of the heating resistor is electrically connected with the output end of an external power supply.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:

1. be provided with first crushing roller, the roller is smashed to the second, driving motor, smash the tooth, sealed cowling and baffle, under driving motor's effect, driving motor drives first crushing roller clockwise rotation second and smashes roller counter-clockwise turning, make intermeshing smash the tooth and rotate in opposite directions in time, thereby can smash the lime stone, make the lime stone become the less graininess of volume, it is more abundant to make the calcination, thereby the calcination speed of lime stone has been improved, top fixedly connected with sealed cowling at the preheating cabinet, produced dust of crushing in-process can be kept apart to the sealed cowling, the inside baffle that is provided with of preheating cabinet, can make the lime stone after smashing fall into in the preheating cabinet rapidly, also prevent simultaneously that the in-process lime stone that drops from splashing everywhere.

2. Is provided with a hydraulic cylinder, a pushing block, a discharge hole, a fixed bracket, a movable plate, a limit groove and a limit pin, one side of the preheating box is provided with the hydraulic cylinder, one side of the hydraulic cylinder penetrates through the preheating box and is fixedly connected with the pushing block, after the limestone is preheated, the interior of the preheating box and the limestone have certain heat, in order to avoid scalding the human body, the hydraulic cylinder is started, the hydraulic cylinder is extended to push the limestone out of the discharge hole, so that the next procedure of calcining the limestone is facilitated, one end of the preheating box is provided with a fixed support, the inner side of the fixed support is connected with a movable plate in a sliding way, in the preheating process, the movable plate is contacted with the base to block the discharge hole, so that the preheating box is a closed environment to prevent heat dissipation, when the hydraulic cylinder pushes out the limestone, and (4) sliding the movable plate upwards, clamping the limiting pin into the limiting groove, and fixing the movable plate.

3. Be provided with heating resistor, safety cover and heat preservation cotton, the inside heating resistor that is provided with of preheating cabinet, heating resistor can preheat the lime stone, improves the temperature of lime stone itself, and the convenience is calcining the in-process to the lime stone next in, has reduced the heat time to the lime stone, has improved the efficiency of calcining, and the heat preservation cotton has thermal-insulated heat retaining effect, prevents that the inside temperature of preheating cabinet from reducing rapidly.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view of the first and second crushing rollers of the present invention;

FIG. 3 is a schematic structural diagram of the heating resistor of the present invention;

FIG. 4 is a schematic structural view of the push block of the present invention;

reference numbers in the figures: 1. a base; 2. a preheating box; 3. a first crushing roller; 4. a second crushing roller; 5. a drive motor; 6. crushing teeth; 7. a sealing cover; 8. feeding a hopper; 9. a baffle plate; 10. a hydraulic cylinder; 11. a push block; 12. a discharge port; 13. fixing a bracket; 14. a movable plate; 15. a limiting groove; 16. a spacing pin; 17. a heating resistor; 18. a protective cover; 19. heat preservation cotton; 20. and a bearing.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in figures 1-4, the utility model provides a technical scheme, a limestone calcining preheating device, which comprises a base 1, a preheating box 2 is fixedly connected on the top end of the base 1, a first crushing roller 3 is movably connected on the top of one side of the preheating box 2, a second crushing roller 4 is movably connected on the top of the other side of the preheating box 2, one end of each of the first crushing roller 3 and the second crushing roller 4 penetrates through the box body and is fixedly connected with a driving motor 5, two driving motors 5 are installed, the driving motor 5 connected with the first crushing roller 3 in a transmission way rotates clockwise, the driving motor 5 connected with the second crushing roller 4 in a transmission way rotates anticlockwise to drive the first crushing roller 3 and the second crushing roller 4 to rotate oppositely, so as to crush limestone, bearings 20 are fixedly connected at the joints of the other ends of the first crushing roller 3 and the second crushing roller 4 and the preheating box 2, a plurality of crushing teeth 6 are fixedly connected on the outer sides of the first crushing roller 3 and the second crushing roller, the crushing teeth 6 positioned on the edges of the first crushing roller 3 and the second crushing roller 4 are mutually meshed, the input end of the driving motor 5 is electrically connected with the output end of an external power supply, limestone blocks can be crushed, the volume of the limestone blocks is reduced, the subsequent calcining quality of limestone is improved, the top end of the preheating tank 2 is fixedly connected with a sealing cover 7, the top end of the sealing cover 7 is fixedly connected with a blanking hopper 8, and the middle part of the inner side of the preheating tank 2 is fixedly connected with a baffle 9;

the top end of one side of the base 1 is fixedly connected with a hydraulic cylinder 10, one end of the hydraulic cylinder 10 penetrates through the preheating box 2 and is fixedly connected with a push block 11, the extending length of the hydraulic cylinder 10 is equal to the length of the preheating box 2, the push block 11 can push limestone out of a discharge port 12, a discharge port 12 is formed in the bottom of one side of the preheating box 2 and corresponds to the push block 11, the edge of the discharge port 12 is fixedly connected with a fixed support 13, the inner side of the fixed support 13 is slidably connected with a movable plate 14, a plurality of limiting grooves 15 are formed in the edge of the fixed support 13 at equal;

the bottom parts of two ends of the inner side of the preheating box 2 are symmetrically and fixedly provided with heating resistors 17, the edge parts of the heating resistors 17 are fixedly connected with protective covers 18, the inner wall of the preheating box 2 is fixedly connected with heat preservation cotton 19, the heat preservation cotton 19 has the functions of heat insulation and heat preservation, and the input ends of the heating resistors 17 are electrically connected with the output end of an external power supply.

The utility model discloses a theory of operation and use flow: firstly, the limestone blocks fall into the first crushing roller 3 and the second crushing roller 4 from the lower hopper 8, one ends of the first crushing roller 3 and the second crushing roller 4 are fixedly connected with the driving motor 5, the first crushing roller 3 and the second crushing roller 4 move oppositely under the action of the driving motor 5, and the crushing teeth 6 are clamped and meshed with each other, so that the first crushing roller 3 and the second crushing roller 4 can crush the limestone blocks, the volume of the limestone blocks is further reduced, the time for preheating limestone is saved, and the subsequent calcining speed of the limestone blocks is improved;

then, the limestone blocks fall into the bottom of the preheating box 2 after being crushed by the first crushing roller 3 and the second crushing roller 4, the heating resistor 17 can increase the temperature of the limestone and preheat the limestone, so that the subsequent calcining efficiency of the limestone is improved, and the inner walls of the preheating box 2 are fixedly connected with heat insulation cotton 19, so that the heat insulation effect is achieved;

finally, when the heating resistor 17 preheats the limestone, the movable plate 14 slides to the bottom of the fixed support 13 to block the discharge port 12, so that the limestone is preheated in a sealed environment, the temperature of the limestone is conveniently and rapidly increased, after the limestone is preheated, the movable plate 14 slides upwards, the limit pin 16 is clamped into the limit groove 15, the movable plate 14 is limited and fixed, the discharge port 12 is exposed, the hydraulic cylinder 10 is started, the hydraulic cylinder 10 pushes the push block 11 to move forwards, the limestone is pushed out from the discharge port 12, and the next procedure of calcining the limestone is facilitated.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Lime stone calcination preheating device includes base (1), its characterized in that: the top end of the base (1) is fixedly connected with a preheating box (2), the top of one side of the preheating box (2) is movably connected with a first crushing roller (3), the top of the other side of the preheating box (2) is movably connected with a second crushing roller (4), one ends of the first crushing roller (3) and the second crushing roller (4) penetrate through the box body and are fixedly connected with a driving motor (5), the connecting parts of the other ends of the first crushing roller (3) and the second crushing roller (4) and the preheating box (2) are fixedly connected with bearings (20), the top end of the preheating box (2) is fixedly connected with a sealing cover (7), and the top end of the sealing cover (7) is fixedly connected with a blanking hopper (8);

base (1) one side top fixedly connected with pneumatic cylinder (10), pneumatic cylinder (10) one end runs through preheating cabinet (2) fixedly connected with ejector pad (11), preheating cabinet (2) one side bottom has seted up discharge gate (12) with ejector pad (11) department of correspondence, discharge gate (12) limit portion fixedly connected with fixed bolster (13), the inboard sliding connection of fixed bolster (13) has fly leaf (14), a plurality of spacing grooves (15) have been seted up to fixed bolster (13) limit end equidistance, spacing groove (15) inner wall swing joint has spacer pin (16).

2. The limestone calcination preheating apparatus of claim 1, characterized in that: two driving motors (5) are installed, and the driving motor (5) connected with the first crushing roller (3) in a transmission mode rotates clockwise, and the driving motor (5) connected with the second crushing roller (4) in a transmission mode rotates anticlockwise.

3. The limestone calcination preheating apparatus of claim 1, characterized in that: the equal fixedly connected with in the outside of first crushing roller (3) and second crushing roller (4) smashes tooth (6), and is located intermeshing between the crushing tooth (6) of first crushing roller (3) and second crushing roller (4) limit portion, the input of driving motor (5) and external power source's output electric connection.

4. The limestone calcination preheating apparatus of claim 1, characterized in that: the middle part of the inner side of the preheating box (2) is fixedly connected with a baffle (9), and the extension length of the hydraulic cylinder (10) is equal to the length of the preheating box (2).

5. The limestone calcination preheating apparatus of claim 1, characterized in that: the preheating cabinet is characterized in that heating resistors (17) are symmetrically and fixedly mounted at the bottoms of the two ends of the inner side of the preheating cabinet (2), a protective cover (18) is fixedly connected to the edge of each heating resistor (17), and heat preservation cotton (19) is fixedly connected to the inner wall of the preheating cabinet (2).

6. The limestone calcination preheating apparatus of claim 5, characterized in that: the input end of the heating resistor (17) is electrically connected with the output end of an external power supply.